By virtue of his self-reliance, his individualism and his freedom from external restraint, the private eye is a perfect embodiment of the middle class conception of liberty, which amounts to doing what you please and let the devil take the hindmost.

By the middle of the summer, many of the larvae apparently receive such a good diet that it is `` optimal '', and it is then that young queens begin to appear.

By virtue of the legal responsibilities of the Department of Employment in the farm placement program, we necessarily found ourselves in the middle between these two forces.

By the middle of the 19th century, industrialisation swept away most of the city's medieval rules of production and commerce, although the entirely corrupt remains of the city's mediæval constitution was kept in place ( compare the famous remarks of Georg Forster in his Ansichten vom Niederrhein ) until 1801, when Aachen became the " chef-lieu du département de la Roer " in Napoléon's First French Empire.

By the middle of the 2nd millennium BC, the Babylonian mathematics had a sophisticated sexagesimal positional numeral system.

By 1987 Ethernet was clearly winning the standards battle over Token Ring, and in the middle of that year Apple introduced EtherTalk 1. 0 for the newly released Macintosh II computer.

By the middle of the 6th century the king of Babylon was Nabonidus.

By the middle of the dry season, the intertropical convergence zone moves south of Chad, taking the rain with it.

By the 1920s, the emerging middle and working classes were powerful enough to elect a reformist president, Arturo Alessandri Palma.

By the middle of the decade, some of the 1950s generation of American comedians, such as Jerry Lewis, went into decline, while Peter Sellers found success with international audiences in his first American film The Pink Panther.

By the middle of the 19th century it was the largest and most modern glassworks in the world.

By the middle of the 18th century, " casuistry " became a synonym for moral laxity.

By the middle of the Devonian, several groups of plants had evolved leaves and true roots, and by the end of the period the first seed-bearing plants appeared.

By the middle of December, some high-speed runs were made, in excess of but still well below Campbell's existing record.

By the middle of the 3rd century BC, the Romans had secured the whole of the Italian peninsula, except Gallia Cisalpina ( Po Valley ).

By the middle of June the political situation in Barcelona had deteriorated and the POUM — painted by the pro-Soviet Communists as a Trotskyist organisation — was outlawed and under attack.

By the next century, gardens became available to the middle class as well.

By 1793, the execution of the French king and the onset of the Terror disillusioned the Bildungsbürgertum ( educated middle classes ).

By the middle of the 12th century, coats of arms were being inherited by the children of armigers ( persons entitled to use a coat of arms ) across Europe.

By the middle of the 14th century, the power of the Mongols was declining, and the Grand Princes felt able to openly oppose the Mongol yoke.

By 2000 the social structure included a politically active working class, a primarily clerical middle class, and an upper bracket consisting of managers, entrepreneurs, and professionals.

By the middle of the 17th century, plays such as Robert Davenport's King John and Matilda, although based largely on the earlier Elizabethan works, were transferring the role of Protestant champion to the barons and focusing more on the tyrannical aspects of John's behaviour.

By the middle of the decade the first true kickboxing events were being held in Osaka.

By the middle of 1990, Taylor controlled much of the country, and by June laid siege to Monrovia.

By the end of the nineteenth century, in 1893, when the Big Three, Columbia, and Penn were populous centers of learning, Dartmouth graduated only sixty-nine.

By the end of the century the Roman Catholic Church was beginning to make itself felt, mainly through such institutions as hospitals but also through its attitude towards organized labour.

By the 27th century BC Egyptian writing had a set of some 24 hieroglyphs which are called uniliterals, to represent syllables that begin with a single consonant of their language, plus a vowel ( or no vowel ) to be supplied by the native speaker.

By the tenth century two other forms can be distinguished namely Canaanite and Aramaic.

By the end of the 14th century, most of Anatolia was controlled by various Anatolian beyliks.

By the 6th century BC, the Celtic La Tène culture was well established.

By the mid-19th century scientists began to arrive en masse to study the geology and ecology of the region.

By the late 5th century BC, philosophers might separate Aphrodite into two separate goddesses, not individuated in cult: Aphrodite Ourania, born from the sea foam after Cronus castrated Uranus, and Aphrodite Pandemos, the common Aphrodite " of all the folk ," born from Zeus and Dione.

By the beginning of the 8th century, these kingdoms had either been conquered by Nicene neighbors ( Ostrogoths, Vandals, Burgundians ) or their rulers had accepted Nicene Christianity ( Visigoths, Lombards ).

By the 6th century Alexander's commentaries on Aristotle were considered so useful that he was referred to as " the commentator " ().

By the mid-4th century however the assembly's judicial functions were largely curtailed, though it always kept a role in the initiation of various kinds of political trial.

By the mid-16th century, they were in common use in most of Europe.

By the standards of 19th century tycoons, Carnegie was not a particularly ruthless man but a humanitarian with enough acquisitiveness to go in the ruthless pursuit of money ; on the other hand, the contrast between his life and the lives of many of his own workers and of the poor, in general, was stark.

By the 7th century BC, much of the Assyrian population used Akkadian influenced Eastern Aramaic and not Akkadian itself.

By the 4th century AD artists had started debating in writing over the proper goals of art as well.

By the end of the twentieth century " Negro " had come to be considered inappropriate and was rarely used and perceived as a pejorative.

By the early 5th century Britain had been Roman for over three hundred and fifty years.

By the 1st century BC, Aediles were elected in July, and took office on the first day in January.

By the 16th century, a cappella polyphony had further developed, but gradually, the cantata began to take the place of a cappella forms.

By the 19th century orchestral music in Europe had standardized the string section into the following homogeneous instrumental groups: first violins, second violins, violas, cellos, and double basses.

By the 3rd century BC, the rival armies of Carthage and Rome began to invade and fight for control of the Iberian Peninsula.

By the 5th century AD, Rome was in decline and the Roman predecessor town of Alicante, known as Lucentum ( Latin ), was more or less under the control of the Visigothic warlord Theudimer.

By the end of the 18th century there were no factories or mills and only a few small cottage industries along the border with Zurich.

By the beginning of the twentieth century, Steiner's interests turned to explicitly spiritual areas of research.